Boyle, Alan
The international law-making process
Oxford University Press, 2007
 Buku Teks SO
Global forests and international environmental law/ Canadian Council of International Law=Conseil Canadian de Droit International
Kluwer Law International, 1996
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Anzilotti, Dionisio
Cours de droit international
Recueil Sirey, 1929
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Chinese yearbook of international law and affairs
edited by Hungdah Chiu
Chinese Society of International Law, 1985
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Sources of international uniform law = Sources du droit uniforme international = Quellen des internationalen einheitsrechts
edited by Konrad Zweigert and Jan Kropholler
A.W. Sijthoff, [Date of publication not identified]
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